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Dell

Dell MX-04H665 System Board GX400 Socket 423 Motherboard Rev A00

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SKU:
29783
MPN:
MX-04H665
Condition:
Used
Availability:
Usually ships within 1-2 business days.
Weight:
5.00 LBS
Shipping:
Calculated at Checkout
  • Dell MX-04H665 Socket 423 system board for OptiPlex GX400 — top view with I/O shield attached, showing PCI slots, AGP slot, and CPU socket
  • Dell MX-04H665 GX400 motherboard — angled top view showing RIMM memory slots, CPU socket area, PCI and AGP expansion slots, and Dell logo on PCB
  • Dell MX-04H665 motherboard close-up of label showing Dell DP/N MX-04H665-12405-1BM-0332 and Rev A00 sticker with UL marking and Dell copyright 2000
$45.00
Was: $90.00
Current Stock: 1

Sold Out

Description

Dell MX-04H665 System Board GX400 Socket 423 Motherboard Rev A00

ATX desktop motherboard designed for Dell OptiPlex GX400 systems. This is the main circuit board that connects all system components and supports Intel Pentium 4 processors on Socket 423.

Specifications & What's Included

  • Socket 423 for Intel Pentium 4 processors
  • Intel 850 chipset
  • 4 RIMM slots for RDRAM memory
  • 5x PCI expansion slots, 1x AGP slot
  • ATX form factor
  • Includes I/O shield; board only (no CPU, RAM, or cables)

Applications

Socket 423 motherboards powered early Pentium 4 desktop systems from the early 2000s, commonly found in business and office environments. The OptiPlex GX400 platform was Dell's standard desktop workstation line during this era. This board supports legacy RDRAM memory and is used for system restoration, retro computing projects, or maintaining older industrial and office equipment still in operation.

Condition: Used
This Dell MX-04H665 Socket 423 system board for the OptiPlex GX400 has been tested and is in working order. The board is Rev A00 and includes the I/O shield. It shows normal cosmetic wear consistent with prior use in a desktop system. Please view our photo set and contact us if you have any questions.
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Warranty Information

We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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Additional Information

Brand:
Dell
Model:
MX-04H665
MPN:
MX-04H665
Secondary Model:
MX-04H665-12405-1BM-0332
Type:
Desktop Motherboard / System Board
SKU:
29783
Compatible With:
Dell OptiPlex GX400
Socket Type:
Socket 423
Form Factor:
ATX
Hardware Revision:
Rev A00
Chipset:
Intel 850 (inferred from Socket 423 / GX400 platform)
Memory Type:
RDRAM (RIMM)
Memory Slots:
4 RIMM slots
Expansion Slots:
5x PCI, 1x AGP
Processor Compatibility:
Intel Pentium 4 Socket 423
Condition:
Used – Inspected and Tested
Seller Notes:
Includes I/O shield. Board only — no CPU, RAM, or cables included.
Country/Region of Manufacture:
China
Condition Notes:
Dell MX-04H665 GX400 Socket 423 motherboard, Rev A00. Tested and in working order. Includes I/O shield. Shows normal cosmetic wear from prior use. Please view photos and contact us with questions.
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Dell OptiPlex GX400 Motherboard MX-06F067 Socket 423 System Board 06F067

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$55.00
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Weight:
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Brand:
Dell
Model:
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MPN:
06F067
Secondary Model:
MX-06F067-12405-1C1-0402
SKU:
33642
Type:
Desktop Motherboard / System Board
Compatible With:
Dell OptiPlex GX400 Tower
Socket Type:
Socket 423
Form Factor:
Micro-ATX
Hardware Revision:
Rev A04-00
Memory Type:
RDRAM (RIMM)
Memory Slots:
4x RIMM slots
Expansion Slots:
3x PCI, 1x AGP
Integrated Ports:
PS/2, USB, Serial, Parallel, RJ-45, Audio
Condition:
Used – Inspected and Tested
Country/Region of Manufacture:
China
Seller Notes:
Board only — no CPU, RAM, or accessories included.
Condition Notes:
Dell OptiPlex GX400 motherboard MX-06F067 Socket 423 has been tested and is in working order. Clean with normal light wear. Rev A04-00. Sold without CPU or RAM. Please contact us with any questions.
Dell MX-036XMT Socket 370 motherboard top view showing PCI slots, DIMM slots, and Socket 370 CPU socket Dell MX-036XMT label close-up showing part number DS/N MX-036XMT-12411-06G-4F4P and REV A00 sticker
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Dell MX-036XMT Socket 370 Motherboard System Board REV A00 Optiplex

Dell

$55.00
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Dell MX-036XMT Socket 370 Motherboard System Board REV A00 OptiplexThe Dell MX-036XMT is a Socket 370 system board designed for Dell Optiplex small form-factor and desktop systems from the late 1990s...
21632
SKU:
21632
Availability:
Usually ships within 1–2 business days.
Weight:
5.00 LBS
Brand:
Dell
Model:
MX-036XMT
MPN:
MX-036XMT
Secondary Model:
036XMT
Type:
Motherboard / System Board
SKU:
21632
Socket Type:
Socket 370
Form Factor:
Micro ATX
Hardware Revision:
REV A00
Compatible With:
Dell Optiplex Series
Memory Type:
SDRAM (DIMM)
Expansion Slots:
PCI
Integrated Ports:
Serial, Parallel, PS/2, USB, VGA, RJ-45 LAN
Condition:
Used – Inspected and Tested
Country/Region of Manufacture:
Malaysia
Seller Notes:
Board only; tested and confirmed in working order.
Condition Notes:
Dell MX-036XMT Socket 370 motherboard, REV A00. Tested and confirmed in working order at our facility. Board shows light wear consistent with prior use. Ports and slots appear clean and intact.
Dell OptiPlex GXM motherboard 50273 – top view showing ISA and PCI expansion slots, SIMM memory slots, and integrated I/O connectors including VGA, parallel, serial, and Ethernet ports Dell OptiPlex GXM motherboard label showing full part number DP/N 00050273-12411-689-0K1P, Rev A00, Copyright 1995-96, assembled in Mexico
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Dell OptiPlex GXM Motherboard 50273 00050273 Rev A00 Desktop System Board

Dell

$65.00
Was: $125.00
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SKU:
15038
Availability:
Usually ships within 1-2 business days.
Weight:
4.00 LBS
Brand:
Dell
Model:
OptiPlex GXM
MPN:
50273
Secondary Model:
00050273-12411-689-0K1P
Type:
Desktop Motherboard / System Board
Hardware Revision:
Rev A00
SKU:
15038
Condition:
Used – Pulled from Working Environment
Compatible With:
Dell OptiPlex GXM Desktop
Form Factor:
Proprietary Dell Desktop
Integrated Graphics:
Yes – VGA output
Integrated Network:
Yes – Ethernet (RJ-45)
Expansion Slots:
Multiple ISA and PCI slots visible
Memory Slots:
Multiple SIMM slots
I/O Ports:
VGA, parallel, 2x serial (DB9), 2x PS/2, RJ-45
Country/Region of Manufacture:
Mexico
Seller Notes:
Board only; pulled from a working OptiPlex GXM system.
Condition Notes:
Dell OptiPlex GXM motherboard (50273, Rev A00) pulled from a working system. Inspected and in good used condition — light wear only. All I/O ports intact. No visible damage to slots or traces.